option (ENABLE_CURL "Enable curl" ${ENABLE_LIBRARIES})

if (ENABLE_CURL)
    option (USE_INTERNAL_CURL "Use internal curl library" ${NOT_UNBUNDLED})

    if (USE_INTERNAL_CURL)
        set (LIBRARY_DIR "${ClickHouse_SOURCE_DIR}/contrib/curl")

        set (SRCS
            ${LIBRARY_DIR}/lib/file.c
            ${LIBRARY_DIR}/lib/timeval.c
            ${LIBRARY_DIR}/lib/base64.c
            ${LIBRARY_DIR}/lib/hostip.c
            ${LIBRARY_DIR}/lib/progress.c
            ${LIBRARY_DIR}/lib/formdata.c
            ${LIBRARY_DIR}/lib/cookie.c
            ${LIBRARY_DIR}/lib/http.c
            ${LIBRARY_DIR}/lib/sendf.c
            ${LIBRARY_DIR}/lib/url.c
            ${LIBRARY_DIR}/lib/dict.c
            ${LIBRARY_DIR}/lib/if2ip.c
            ${LIBRARY_DIR}/lib/speedcheck.c
            ${LIBRARY_DIR}/lib/ldap.c
            ${LIBRARY_DIR}/lib/version.c
            ${LIBRARY_DIR}/lib/getenv.c
            ${LIBRARY_DIR}/lib/escape.c
            ${LIBRARY_DIR}/lib/mprintf.c
            ${LIBRARY_DIR}/lib/telnet.c
            ${LIBRARY_DIR}/lib/netrc.c
            ${LIBRARY_DIR}/lib/getinfo.c
            ${LIBRARY_DIR}/lib/transfer.c
            ${LIBRARY_DIR}/lib/strcase.c
            ${LIBRARY_DIR}/lib/easy.c
            ${LIBRARY_DIR}/lib/security.c
            ${LIBRARY_DIR}/lib/curl_fnmatch.c
            ${LIBRARY_DIR}/lib/fileinfo.c
            ${LIBRARY_DIR}/lib/wildcard.c
            ${LIBRARY_DIR}/lib/krb5.c
            ${LIBRARY_DIR}/lib/memdebug.c
            ${LIBRARY_DIR}/lib/http_chunks.c
            ${LIBRARY_DIR}/lib/strtok.c
            ${LIBRARY_DIR}/lib/connect.c
            ${LIBRARY_DIR}/lib/llist.c
            ${LIBRARY_DIR}/lib/hash.c
            ${LIBRARY_DIR}/lib/multi.c
            ${LIBRARY_DIR}/lib/content_encoding.c
            ${LIBRARY_DIR}/lib/share.c
            ${LIBRARY_DIR}/lib/http_digest.c
            ${LIBRARY_DIR}/lib/md4.c
            ${LIBRARY_DIR}/lib/md5.c
            ${LIBRARY_DIR}/lib/http_negotiate.c
            ${LIBRARY_DIR}/lib/inet_pton.c
            ${LIBRARY_DIR}/lib/strtoofft.c
            ${LIBRARY_DIR}/lib/strerror.c
            ${LIBRARY_DIR}/lib/amigaos.c
            ${LIBRARY_DIR}/lib/hostasyn.c
            ${LIBRARY_DIR}/lib/hostip4.c
            ${LIBRARY_DIR}/lib/hostip6.c
            ${LIBRARY_DIR}/lib/hostsyn.c
            ${LIBRARY_DIR}/lib/inet_ntop.c
            ${LIBRARY_DIR}/lib/parsedate.c
            ${LIBRARY_DIR}/lib/select.c
            ${LIBRARY_DIR}/lib/splay.c
            ${LIBRARY_DIR}/lib/strdup.c
            ${LIBRARY_DIR}/lib/socks.c
            ${LIBRARY_DIR}/lib/curl_addrinfo.c
            ${LIBRARY_DIR}/lib/socks_gssapi.c
            ${LIBRARY_DIR}/lib/socks_sspi.c
            ${LIBRARY_DIR}/lib/curl_sspi.c
            ${LIBRARY_DIR}/lib/slist.c
            ${LIBRARY_DIR}/lib/nonblock.c
            ${LIBRARY_DIR}/lib/curl_memrchr.c
            ${LIBRARY_DIR}/lib/imap.c
            ${LIBRARY_DIR}/lib/pop3.c
            ${LIBRARY_DIR}/lib/smtp.c
            ${LIBRARY_DIR}/lib/pingpong.c
            ${LIBRARY_DIR}/lib/rtsp.c
            ${LIBRARY_DIR}/lib/curl_threads.c
            ${LIBRARY_DIR}/lib/warnless.c
            ${LIBRARY_DIR}/lib/hmac.c
            ${LIBRARY_DIR}/lib/curl_rtmp.c
            ${LIBRARY_DIR}/lib/openldap.c
            ${LIBRARY_DIR}/lib/curl_gethostname.c
            ${LIBRARY_DIR}/lib/gopher.c
            ${LIBRARY_DIR}/lib/idn_win32.c
            ${LIBRARY_DIR}/lib/http_proxy.c
            ${LIBRARY_DIR}/lib/non-ascii.c
            ${LIBRARY_DIR}/lib/asyn-thread.c
            ${LIBRARY_DIR}/lib/curl_gssapi.c
            ${LIBRARY_DIR}/lib/http_ntlm.c
            ${LIBRARY_DIR}/lib/curl_ntlm_wb.c
            ${LIBRARY_DIR}/lib/curl_ntlm_core.c
            ${LIBRARY_DIR}/lib/curl_sasl.c
            ${LIBRARY_DIR}/lib/rand.c
            ${LIBRARY_DIR}/lib/curl_multibyte.c
            ${LIBRARY_DIR}/lib/hostcheck.c
            ${LIBRARY_DIR}/lib/conncache.c
            ${LIBRARY_DIR}/lib/dotdot.c
            ${LIBRARY_DIR}/lib/x509asn1.c
            ${LIBRARY_DIR}/lib/http2.c
            ${LIBRARY_DIR}/lib/smb.c
            ${LIBRARY_DIR}/lib/curl_endian.c
            ${LIBRARY_DIR}/lib/curl_des.c
            ${LIBRARY_DIR}/lib/system_win32.c
            ${LIBRARY_DIR}/lib/mime.c
            ${LIBRARY_DIR}/lib/sha256.c
            ${LIBRARY_DIR}/lib/setopt.c
            ${LIBRARY_DIR}/lib/curl_path.c
            ${LIBRARY_DIR}/lib/curl_ctype.c
            ${LIBRARY_DIR}/lib/curl_range.c
            ${LIBRARY_DIR}/lib/psl.c
            ${LIBRARY_DIR}/lib/doh.c
            ${LIBRARY_DIR}/lib/urlapi.c
            ${LIBRARY_DIR}/lib/curl_get_line.c
            ${LIBRARY_DIR}/lib/altsvc.c
            ${LIBRARY_DIR}/lib/socketpair.c
            ${LIBRARY_DIR}/lib/vauth/vauth.c
            ${LIBRARY_DIR}/lib/vauth/cleartext.c
            ${LIBRARY_DIR}/lib/vauth/cram.c
            ${LIBRARY_DIR}/lib/vauth/digest.c
            ${LIBRARY_DIR}/lib/vauth/digest_sspi.c
            ${LIBRARY_DIR}/lib/vauth/krb5_gssapi.c
            ${LIBRARY_DIR}/lib/vauth/krb5_sspi.c
            ${LIBRARY_DIR}/lib/vauth/ntlm.c
            ${LIBRARY_DIR}/lib/vauth/ntlm_sspi.c
            ${LIBRARY_DIR}/lib/vauth/oauth2.c
            ${LIBRARY_DIR}/lib/vauth/spnego_gssapi.c
            ${LIBRARY_DIR}/lib/vauth/spnego_sspi.c
            ${LIBRARY_DIR}/lib/vtls/openssl.c
            ${LIBRARY_DIR}/lib/vtls/gtls.c
            ${LIBRARY_DIR}/lib/vtls/vtls.c
            ${LIBRARY_DIR}/lib/vtls/nss.c
            ${LIBRARY_DIR}/lib/vtls/polarssl.c
            ${LIBRARY_DIR}/lib/vtls/polarssl_threadlock.c
            ${LIBRARY_DIR}/lib/vtls/wolfssl.c
            ${LIBRARY_DIR}/lib/vtls/schannel.c
            ${LIBRARY_DIR}/lib/vtls/schannel_verify.c
            ${LIBRARY_DIR}/lib/vtls/sectransp.c
            ${LIBRARY_DIR}/lib/vtls/gskit.c
            ${LIBRARY_DIR}/lib/vtls/mbedtls.c
            ${LIBRARY_DIR}/lib/vtls/mesalink.c
            ${LIBRARY_DIR}/lib/vtls/bearssl.c
            ${LIBRARY_DIR}/lib/vquic/ngtcp2.c
            ${LIBRARY_DIR}/lib/vquic/quiche.c
            ${LIBRARY_DIR}/lib/vssh/libssh2.c
            ${LIBRARY_DIR}/lib/vssh/libssh.c
        )

        add_library (curl ${SRCS})

        target_compile_definitions (curl PRIVATE
            HAVE_CONFIG_H
            BUILDING_LIBCURL
            CURL_HIDDEN_SYMBOLS
            libcurl_EXPORTS
            OS="${CMAKE_SYSTEM_NAME}"
        )
        target_include_directories (curl PUBLIC
            ${LIBRARY_DIR}/include
            ${LIBRARY_DIR}/lib
            . # curl_config.h
        )

        target_link_libraries (curl PRIVATE ssl)

        # The library is large - avoid bloat (XXX: is it?)
        target_compile_options (curl PRIVATE -g0)

        # find_package(CURL) compatibility for the following packages that uses
        # find_package(CURL)/include(FindCURL):
        # - mariadb-connector-c
        # - aws-s3-cmake
        # - sentry-native
        set (CURL_FOUND ON CACHE BOOL "")
        set (CURL_ROOT_DIR ${LIBRARY_DIR} CACHE PATH "")
        set (CURL_INCLUDE_DIR ${LIBRARY_DIR}/include CACHE PATH "")
        set (CURL_INCLUDE_DIRS ${LIBRARY_DIR}/include CACHE PATH "")
        set (CURL_LIBRARY curl CACHE STRING "")
        set (CURL_LIBRARIES ${CURL_LIBRARY} CACHE STRING "")
        set (CURL_VERSION_STRING 7.67.0 CACHE STRING "")
        add_library (CURL::libcurl ALIAS ${CURL_LIBRARY})
    else ()
        find_package (CURL REQUIRED)
    endif ()
endif ()

message (STATUS "Using curl: ${CURL_INCLUDE_DIRS} : ${CURL_LIBRARIES}")
